Anton Vorontsov wrote: > On Wed, Dec 12, 2007 at 10:40:35AM -0600, Scott Wood wrote: >> Not enough to be worth the complexity compared to the overhead of NAND >> access -- especially in the likely case of a non-SMP build. > > I'm allowing UPM access from the IRQ handlers (because nothing prevents > this, so why deny?). Thus locks are needed even on non-SMP build,
No, it just needs to disable interrupts. Which is what locks do on non-SMP. The overhead of this is not worth 30 lines of code to avoid. -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
